|
|
重庆师范大学学报(自然科学版) 2012
Potential for Wetland Restoration in the Drawdown Zone of Hanfeng LakeDOI: 10.11721/cqnuj20120318, PP. 87-93 Keywords: ThreeGorges,Kaixian,eco-design,dike-pond,wetland Abstract: "AbstractIn2008HanfengLakewascreatedinKaiCounty,Chongqing,bythefillingofthereservoirassociatedwiththeThreeGorgesDam.ThelakeispartiallyseparatedfromthePengxiRiverbyawater-levelregulatorydam,andissurroundedbyurbandevelopment.ThedrawdownzoneofHanfengLakerequiresspecialattentionbecauseofitsurbanlocationandthestatusofthelakeasanaturereserve.Herewediscusssomeofthemanagementissuesforthedrawdownzone,withspecialconsiderationtoeco-designprinciplesandengineeredwetlands.Giventheuniquenatureofthelake,wearguethatmanage-mentofthedrawdownzonerequiresanapproachthatisexperimentalandthereforeadaptive.Giventhatthenaturereserveobjectivesincludeafocusonbirdabundanceanddiversity,wearguethatthemanagementapproachmustbeecosystem-based.Giventheurbanlocation,wearguethatcommunity-basedprocessesmustbeusedforthemanagementapproachtobesociallyacceptable.Weconsiderthattheeffectiveecosystemisthewatershedofthelakeandthatbothlarge-scaleandlocalzoningarenecessarymanagementtools.Withinthedrawdownzoneitself,weconsiderthateco-designprinciplescanbeap-pliedtoachievetheprovisionofvaluableecosystemservicesincludingbankstabilization,improvedwaterquality,wetlandproductivityandbiodiversity,naturalscienceeducation,foodproduction,andagriculturaleducation.Bytakingthesecommunity-basedandecosystem-basedapproachestoraisingawarenessaboutthevaluesprovidedbywetlands,naturalecosystemserviceswillbedeliveredandthesewillpromotethesustainableeconomicandsocialdevelopmentofKaiCounty."
|
